From: Jiewen Yao Date: Mon, 30 Jan 2017 14:44:23 +0000 (-0800) Subject: MdeModulePkg/SmmSmiHandlerProfileLib: Add SMM instance. X-Git-Tag: edk2-stable201903~4584 X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=e08bfc7d6f82a3077125c4b6fb9b906c3e018e47 MdeModulePkg/SmmSmiHandlerProfileLib: Add SMM instance. This instance should be linked by SmmChildDispatcher if SMI handler profile feature is enabled. Cc: Feng Tian Cc: Star Zeng Cc: Michael D Kinney Cc: Laszlo Ersek Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jiewen Yao Reviewed-by: Star Zeng --- diff --git a/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.c b/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.c new file mode 100644 index 0000000000..0191cdebbf --- /dev/null +++ b/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.c @@ -0,0 +1,106 @@ +/** @file + SMM driver instance of SmiHandlerProfile Library. + + Copyright (c) 2017, Intel Corporation. All rights reserved.
+ This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php. + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#include +#include +#include +#include + +SMI_HANDLER_PROFILE_PROTOCOL *mSmiHandlerProfile; + +/** + This function is called by SmmChildDispatcher module to report + a new SMI handler is registered, to SmmCore. + + @param HandlerGuid The GUID to identify the type of the handler. + For the SmmChildDispatch protocol, the HandlerGuid + must be the GUID of SmmChildDispatch protocol. + @param Handler The SMI handler. + @param CallerAddress The address of the module who registers the SMI handler. + @param Context The context of the SMI handler. + For the SmmChildDispatch protocol, the Context + must match the one defined for SmmChildDispatch protocol. + @param ContextSize The size of the context in bytes. + For the SmmChildDispatch protocol, the Context + must match the one defined for SmmChildDispatch protocol. + + @retval EFI_SUCCESS The information is recorded. + @retval EFI_UNSUPPORTED The feature is unsupported. + @retval EFI_OUT_OF_RESOURCES There is no enough resource to record the information. +**/ +EFI_STATUS +EFIAPI +SmiHandlerProfileRegisterHandler ( + IN EFI_GUID *HandlerGuid, + IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler, + IN PHYSICAL_ADDRESS CallerAddress, + IN VOID *Context, OPTIONAL + IN UINTN ContextSize OPTIONAL + ) +{ + if (mSmiHandlerProfile != NULL) { + return mSmiHandlerProfile->RegisterHandler (mSmiHandlerProfile, HandlerGuid, Handler, CallerAddress, Context, ContextSize); + } + return EFI_UNSUPPORTED; +} + +/** + This function is called by SmmChildDispatcher module to report + an existing SMI handler is unregistered, to SmmCore. + + @param HandlerGuid The GUID to identify the type of the handler. + For the SmmChildDispatch protocol, the HandlerGuid + must be the GUID of SmmChildDispatch protocol. + @param Handler The SMI handler. + + @retval EFI_SUCCESS The original record is removed. + @retval EFI_UNSUPPORTED The feature is unsupported. + @retval EFI_NOT_FOUND There is no record for the HandlerGuid and handler. +**/ +EFI_STATUS +EFIAPI +SmiHandlerProfileUnregisterHandler ( + IN EFI_GUID *HandlerGuid, + IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler + ) +{ + if (mSmiHandlerProfile != NULL) { + return mSmiHandlerProfile->UnregisterHandler (mSmiHandlerProfile, HandlerGuid, Handler); + } + return EFI_UNSUPPORTED; +} + +/** + The constructor function for SMI handler profile. + + @param ImageHandle The firmware allocated handle for the EFI image. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS. +**/ +EFI_STATUS +EFIAPI +SmmSmiHandlerProfileLibConstructor ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + gSmst->SmmLocateProtocol ( + &gSmiHandlerProfileGuid, + NULL, + &mSmiHandlerProfile + ); + return EFI_SUCCESS; +} + diff --git a/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.inf b/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.inf new file mode 100644 index 0000000000..0c1ad7eb06 --- /dev/null +++ b/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.inf @@ -0,0 +1,46 @@ +## @file +# SMM driver instance of SmiHandlerProfile Library. +# +# This library instance provides real functionality for SmmChildDispatcher module. +# +# Copyright (c) 2017, Intel Corporation. All rights reserved.
+# +# This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php. +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = SmmSmiHandlerProfileLib + MODULE_UNI_FILE = SmmSmiHandlerProfileLib.uni + FILE_GUID = B43D1B52-6251-4E6F-82EC-A599A5EE94C1 + MODULE_TYPE = DXE_SMM_DRIVER + VERSION_STRING = 1.0 + LIBRARY_CLASS = SmiHandlerProfileLib|DXE_SMM_DRIVER + CONSTRUCTOR = SmmSmiHandlerProfileLibConstructor + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = IA32 X64 +# + +[Sources] + SmmSmiHandlerProfileLib.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + +[LibraryClasses] + SmmServicesTableLib + +[Guids] + gSmiHandlerProfileGuid ## CONSUMES ## GUID # Locate protocol + diff --git a/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.uni b/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.uni new file mode 100644 index 0000000000..f65827dbe2 --- /dev/null +++ b/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.uni @@ -0,0 +1,21 @@ +// /** @file +// SMM driver instance of SmiHandlerProfile Library. +// +// This library instance provides real functionality for SmmChildDispatcher module. +// +// Copyright (c) 2017, Intel Corporation. All rights reserved.
+// +// This program and the accompanying materials +// are licensed and made available under the terms and conditions of the BSD License +// which accompanies this distribution. The full text of the license may be found at +// http://opensource.org/licenses/bsd-license.php. +// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +// +// **/ + + +#string STR_MODULE_ABSTRACT #language en-US "SMM driver instance of SmiHandlerProfile Library" + +#string STR_MODULE_DESCRIPTION #language en-US "This library instance provides real functionality for SmmChildDispatcher module." +